从动态按钮获取属性.请帮忙！ [英] Getting properties from a dynamic button. Please Help!

问题描述

我正在编写一个触摸屏自动点唱机应用程序.

我是WPF的新手，并热爱它.

一个问题.我创建了一个玻璃效果按钮，以编程方式显示3个数据.即，在选择歌手之后，一个列表框会充满玻璃按钮，其中包含有关歌曲的信息.艺术家名称，曲目名称和(我需要的)trackID号.

我在创建所有按钮时都为其分配了相同的单击事件，因此在单击事件上，如何从按下的按钮中检索trackid ??????
这是我必须处理click事件的代码
私人void SongClick(object sender，RoutedEventArgs e)
{
按钮b =(按钮)发送器;
//需要访问按钮中包含的最后一个文本块中的trackid
}
视觉树是
按钮
-边框
----网格
------ TextBlock1-艺术家
------ TextBlock2-SongName
------ TextBlock3-TrackID(这是我需要的数据)

提前致谢.这真的使我一时陷入困境.

I am writing a touchscreen jukebox application.

I am new to WPF and loving it.

One Problem. I have created a glass effect button to display 3 pieces of data programatically. i.e. on selection of an artist a listbox is filled with glass buttons containing information about the song. Artist name, track name and (the one I need) trackID number.

I have assigned all buttons the same click event when they are created so on the click event how can i retrieve the trackid from the button that is pressed??????
This is the code behind i have to handle the click event
private void SongClick(object sender, RoutedEventArgs e)
{
Button b = (Button)sender;
//need to access the trackid which is in the last textblock contained within the button
}
The visual tree is
Button
--Border
----Grid
------TextBlock1 - Artist
------TextBlock2 - SongName
------TextBlock3 - TrackID (This is the data I need)

Thanks in advance. This is really holding me up at the minute.

推荐答案

您可以看看

谢谢.

WPF的概念仍是新手.

我将代码更改为此-

Thanks.

Still new to the concepts of WPF.

I changed my code behind to this -

private void SongClick(object sender, RoutedEventArgs e)
        {
            Button b = (Button)sender;
            Border brd = (Border)VisualTreeHelper.GetChild(b, 0);
            Grid grd = (Grid)VisualTreeHelper.GetChild(brd, 0);
            TextBlock tb = (TextBlock)VisualTreeHelper.GetChild(grd, 2);
            MessageBox.Show("TrackID is " + tb.Text);
        }

上面的代码访问了此可视化树-
按钮
-边框
----网格
------ TextBlock1-艺术家
------ TextBlock2-SongName
------ TextBlock3-TrackID(这是我需要的数据)

感谢您的宝贵时间.

The code above accessed this visual tree -
Button
--Border
----Grid
------TextBlock1 - Artist
------TextBlock2 - SongName
------TextBlock3 - TrackID (This is the data I needed)

Thanks for your time Abhinav.

这篇关于从动态按钮获取属性.请帮忙！的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！